| Raper | W. J. | 9685, Deanmill | 7RJ | 1962 |
| Rapsch | E. | Maryland, Yallingup | ER2 | 1962 |
| Rarriwell & Meda | - | Rarriwell and Meda, Derby | CW7 and 16C, 24E | 1962 |
| Rasmussen | B. | Williams 14994, Nyabing | B7R and 7B, 118E | 1962 |
| Rasmussen | H. C. | Little Brook Farm, Big Hill Brook, Manjimup | R9N | 1924 |
| Rasmussen | R. W. | Gillingarra | 4PR | 1924 |
| Rason | Ernest H. G. | Roe Loc. 58, Newdegate | XU6 | 1924 |
| Rasool | - | Weitker, Geraldton | 9RO | 1924 |
| Rasser | T. H. | Spring View near Northampton | 5TR | 1912 |
| Rasser | T. H. | Spring View, near Northampton | 5TR | 1924 |
| Raston | W. A. | Ecclefechan, Tammin | R2a | 1924 |
| Raston & Son | M. | Ecclefechan, Tammin | R2A and 42B, 28E | 1962 |
| Ratcliffe | F. | Crystal Valley, Block No. 2664, Worslee and Beela | 8RF and 42B, 117E | 1962 |
| Ratcliffe | G. T. | 2236-7, Dardanup | 9GE | 1962 |
| Ratcliffe | J. J. | Loc. 946, Dardanup | 2AA and 38C, 6E | 1962 |
| Ratcliffe | W. H. | Brampton Springs, Upper Ferguson, Dardanup | 1SJ and 7C, 16E | 1962 |
| Ratcliffe | Wm. | Brampton Springs, West Ferguson | 2AA | 1912 |
| Ratcliffe | Wm. | Brampton Springs, W. Ferguson | 2AA | 1924 |
| Rate | Thomas Henry | Holmesdale Farm, Group 90, Pemberton | BR9 | 1926 |
| Rath | O. C. | Ratnalsa and Karijikup, Harvey | 0HR | 1912 |
| Rath | O. C. | Ratualsa and Korejikup, Harvey | 0HR | 1924 |
| Rathjen | A. M. | Leystan, Kalannie | A3R and 44C, 50A | 1962 |
| Rathnally Pty. Ltd. | - | Rathnally, Piawaning | XL0 and 11B, 37A | 1962 |
| Ratthoff | W. C. | Ekamurra, Kondinin | X5P | 1924 |
| Rattigan Bros. | - | Yoting Farm, Yoting | 8RD | 1924 |
| Rattray | Edward | Greenbushes | JE8 | 1912 |
| Rattray | Edward | Greenbushes | JE8 | 1924 |
| Raven | A. G. | Taralinie, Naraling, Upper Chapman | 7GR | 1912 |
| Raven | A. G. | Taralinie, Naraling, Upper Chapman | 7GR | 1924 |
| Raven | Alfred | Ravensbrook, Bullsbrook | OR5 | 1924 |
| Raven | R & B. D. | Tilsdown Farm, Kojonup | O3C and 3D, 4E | 1962 |
| Ravenhill | S. F. | Severn Farm, Tingledale | S7F | 1962 |
| Ravenscroft | L. B. | Bretton Park, Cowcowing | 1OR | 1912 |
| Ravenscroft | L. B. | Bretton Park, Cowcowing | 1OR | 1924 |
| Ravenstein | W. Van | Plantagenet 4241, Denmark | WR8 and 14C, 71E | 1962 |
| Rawden | Chas. F. | Kardinia Park, Lake Jilakin, East Wickepin | 6UR | 1924 |
| Rawen | A. H. | Wahroonga, Nungarin | T7K | 1912 |
| Rawes | Edward | Avon Loc. 20094, Babakin, via Bruce Rock | RE9 | 1924 |
| Rawes | J. | Eden Hills, Corrigin | 8JR and 5B, 43E | 1962 |
| Rawes | T. | The Ranch, Corrigin | RE9 and 23B, 36A | 1962 |
| Rawes | W. | 16872, 21098, 21238, Corrigin | W4R and 28B, 107A | 1962 |
| Rawle | Alfred | Brangee Park, Pingelly East | 6WN | 1924 |
| Rawling | Tasman Michael | Bushy Park, Yelbene | TR5 | 1912 |
| Rawling | Tasman Michael | Bushy Park, Yelbene | TR5 | 1924 |
| Rawlings | H. J. | Lillydale, P. O. Baandee | 8RJ | 1912 |
| Rawlings | H. J. | Lillydale, P. O. Baandee | 8RJ | 1924 |
| Rawson | M. A. & J. I. | 10085 and 10087, Coorow | M3J and 6C, 35A | 1962 |
| Ray | A. E. | Loc. 12994, Burracoppin | RY4 | 1924 |
| Ray | Fredk. | Williams Loc. 7792, River View, Darkan | F3R | 1912 |
| Ray | Fredk. | Williams Loc. 7792, River View, Darkan | F3R | 1924 |
